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Related Experiment Video

Updated: Jul 11, 2026

Direct Comparison of Hyperspectral Stimulated Raman Scattering and Coherent Anti-Stokes Raman Scattering Microscopy for Chemical Imaging

Direct Comparison of Hyperspectral Stimulated Raman Scattering and Coherent Anti-Stokes Raman Scattering Microscopy for Chemical Imaging

Published on: April 28, 2022

Spectral Stokesmeter. 1. Implementation of the device.

Todor Todorov¹, Ludmila Nikolova, Georgi Stoilov

¹Central Laboratory of Optical Storage and Processing of Information, Bulgarian Academy of Sciences, P.O. Box 95, 1113 Sofia, Bulgaria.

|September 21, 2007

Summary

We developed a spectral Stokesmeter for rapid, simultaneous measurement of light's Stokes parameters. This device utilizes novel holographic polarization gratings for accurate spectral analysis.

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Direct Comparison of Hyperspectral Stimulated Raman Scattering and Coherent Anti-Stokes Raman Scattering Microscopy for Chemical Imaging

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Published on: April 28, 2022

High-speed Continuous-wave Stimulated Brillouin Scattering Spectrometer for Material Analysis

High-speed Continuous-wave Stimulated Brillouin Scattering Spectrometer for Material Analysis

Published on: September 22, 2017

Area of Science:

Optics and Photonics
Spectroscopy
Polarimetry

Background:

Accurate measurement of light polarization is crucial in various scientific fields.
Existing methods for measuring Stokes parameters can be time-consuming or complex.
A need exists for a device capable of fast and simultaneous Stokes parameter determination.

Purpose of the Study:

To introduce a novel spectral Stokesmeter for efficient light polarization analysis.
To demonstrate a new optical design based on holographic gratings for enhanced performance.
To provide a tool for precise spectral polarimetric measurements.

Main Methods:

The spectral Stokesmeter employs an original optical scheme featuring two holographic gratings, including a specialized polarization grating.
A four-channel scanning optoelectronic system facilitates simultaneous data acquisition.
A computer system controls the device and processes the measurements.

Main Results:

The device enables fast and simultaneous measurement of all four Stokes parameters.
The optical design allows for straightforward calibration, including wavelength and sensitivity.
The current implementation covers a spectral range of 520-750 nm with measurement errors below 0.05 for normalized Stokes parameters.

Conclusions:

The developed spectral Stokesmeter offers a significant advancement in light polarization measurement.
Its unique design ensures high accuracy and ease of use.
This instrument is suitable for applications requiring precise spectral polarimetry.